package com.wl.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Date;

@WebServlet("/b")
public class BServlet extends HttpServlet {



    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // req执行此方法之前就已经初始化完了
        System.out.println("BServlet:" + req.getAttribute("date"));

        req.removeAttribute("date");  // attributeRemoved
    }
}
